answer:
1) A&T-R
2) 30mm for the front, 20mm for the rear.
3) Less under-steer, went a few tracl day, much better in conoring.
4) PM me for the cost..
5) yes, very simple installation, however I went to my mechanic's place borrow the torque wrench for the right tightness..
6) I don't have pics, but they line up with guard..looks sexy..